$menuH: 50px;

.m-left-nav a {
  &:hover {
    color: #609be6;
    text-decoration: none;
  }
}

.m-left-nav h2 {
  &:hover {
    a {
      color: #fff !important;
    }
  }
}

@media screen and (min-width: 768px) {
  .m-left-nav {
    width: 220px;
    float: left;
    border-right: 1px solid #e1e1e1;
    border-bottom: 1px solid #e1e1e1;
    box-sizing: border-box;
    padding-bottom: 30px;
  }
}

@media screen and (max-width: 767px) {
  .m-left-nav {
    width: 65%;
    position: absolute;
    top: 0;
    transform: translateX(-100%);
    z-index: 101;
    background: #fff;
    border: {
      right: 1px solid #e1e1e1;
      bottom: 1px solid #e1e1e1;
    }
  ;
  }
}

.anmi-in {
  animation: menuIn .4s linear forwards;
}

@keyframes menuIn {
  100% {
    transform: translateX(0);
  }
}

.u-logo-img {
  width: 100%;
  height: 100px;
  padding: 20px;
  box-sizing: border-box;
  background-color: #fff;
  text-align: center;
  position: relative;
  img {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    margin: auto;
  }
}

.u-menu-nav {
  h2 {
    height: $menuH;
    line-height: $menuH;
    padding: 0 20px;
    font-size: 16px;
    &:hover {
      background-color: #339bfe;
      color: #fff;
      .u-xia {
        color: #fff;
      }
    }
    i {
      vertical-align: inherit;
      margin-right: 10px;
      font-size: 20px;
    }
    .u-s {
      font-size: 18px;
    }
  }
  .u-xia {
    float: right;
    font-size: 18px;
    color: #999;
  }
  ul {
    background-color: #e8edf4;
    height: 0;
    overflow: hidden;
  }
  li {
    padding-left: 55px;
    font-size: 14px;
    height: 40px;
    line-height: 40px;
    a {
      padding: 5px 45px 5px 0;
    }
  }
}
